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Mechanoactivated SHS in the Ti–Ni System: Influence of Preheating Temperature

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Abstract

Product composition and combustion parameters for non-activated and mechanically activated Ti–Ni mixtures were explored as a function of preheating temperature T0. Upon an increase in T0, frontal combustion of activated blends was found to change to a mode of thermal explosion at T0 around 190°С. Frontal combustion of non-activated blends was accompanied by local melting over the entire range of T0. Our results may turn helpful in theoretical modeling of SHS reactions.

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ACKNOWLEDGMENTS

We are grateful to Dr. I.D. Kovalev for his kind help in XRD measurements.

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Authors and Affiliations

  1. Merzhanov Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, 142432, Chernogolovka, Moscow, Russia

    N. A. Kochetov & B. S. Seplyarsii

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  1. N. A. Kochetov
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  2. B. S. Seplyarsii
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Correspondence to N. A. Kochetov or B. S. Seplyarsii.

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Translated by Yu. Scheck

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Kochetov, N.A., Seplyarsii, B.S. Mechanoactivated SHS in the Ti–Ni System: Influence of Preheating Temperature. Int. J Self-Propag. High-Temp. Synth. 29, 162–166 (2020). https://doi.org/10.3103/S1061386220030048

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